{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896485,-0.443075,0.000000,0.000000,0.283017,-0.572635,0.769409,0.000000,-0.339969,0.687868,0.641295,0.000000,-2171360.996273,4393367.184626,4068487.637702,1],    "boundingVolume": {    "region": [2.029731,0.696128,2.029914,0.696241,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_513829.b3dm"}}}